Sean E. Sullivan
YOU?
Author Swipe
View article: Isolation of individual Er quantum emitters in anatase TiO2 on Si photonics
Isolation of individual Er quantum emitters in anatase TiO2 on Si photonics Open
Defects and dopant atoms in solid state materials are a promising platform for realizing single photon sources and quantum memories, which are the basic building blocks of quantum repeaters needed for long distance quantum networks. In par…
View article: Silicon‐On‐Silicon Carbide Platform for Integrated Photonics
Silicon‐On‐Silicon Carbide Platform for Integrated Photonics Open
Silicon carbide (SiC)'s nonlinear optical properties and applications to quantum information have recently brought attention to its potential as an integrated photonics platform. However, despite its many excellent material properties, suc…
View article: Polarization-dependent photoluminescence of Ce-implanted MgO and MgAl<sub>2</sub>O<sub>4</sub>
Polarization-dependent photoluminescence of Ce-implanted MgO and MgAl<sub>2</sub>O<sub>4</sub> Open
Since the qubit’s performance of solid-state spin centers depends highly on the host material, spin centers using new host materials may offer new qubit applications. We investigate the optical properties of Ce-implanted MgO and MgAl 2 O 4…
View article: Anomalous Purcell decay of strongly driven inhomogeneous emitters coupled to a cavity
Anomalous Purcell decay of strongly driven inhomogeneous emitters coupled to a cavity Open
We perform resonant fluorescence lifetime measurements on a nanocavity-coupled erbium ensemble as a function of cavity-laser detuning and pump power. Our measurements reveal an anomalous three-fold suppression of the ensemble Purcell facto…
View article: Nanocavity-Mediated Purcell Enhancement of Er in TiO<sub>2</sub> Thin Films Grown via Atomic Layer Deposition
Nanocavity-Mediated Purcell Enhancement of Er in TiO<sub>2</sub> Thin Films Grown via Atomic Layer Deposition Open
The use of trivalent erbium (Er3+), typically embedded as an atomic defect in the solid-state, has widespread adoption as a dopant in telecommunication devices and shows promise as a spin-based quantum memory for quantum communi…
View article: Optical and microstructural characterization of Er3+ doped epitaxial cerium oxide on silicon
Optical and microstructural characterization of Er3+ doped epitaxial cerium oxide on silicon Open
Rare-earth ion dopants in solid-state hosts are ideal candidates for quantum communication technologies, such as quantum memories, due to the intrinsic spin–photon interface of the rare-earth ion combined with the integration methods avail…
View article: Magnon-mediated qubit coupling determined via dissipation measurements
Magnon-mediated qubit coupling determined via dissipation measurements Open
Controlled interaction between localized and delocalized solid-state spin systems offers a compelling platform for on-chip quantum information processing with quantum spintronics. Hybrid quantum systems (HQSs) of localized nitrogen-vacancy…
View article: Magnon-mediated qubit coupling determined via dissipation measurements
Magnon-mediated qubit coupling determined via dissipation measurements Open
Accompanying data for the main text and supporting information of Magnon-mediated qubit coupling determined via dissipation measurementsPaper abstract is as follows:Controlled interaction between localized and deloc…
View article: Anomalous Purcell decay of strongly driven inhomogeneous emitters coupled to a cavity
Anomalous Purcell decay of strongly driven inhomogeneous emitters coupled to a cavity Open
We perform resonant fluorescence lifetime measurements on a nanocavity-coupled erbium ensemble as a function of cavity-laser detuning and pump power. Our measurements reveal an anomalous three-fold suppression of the ensemble Purcell facto…
View article: Optical and microstructural characterization of Er$^{3+}$ doped epitaxial cerium oxide on silicon
Optical and microstructural characterization of Er$^{3+}$ doped epitaxial cerium oxide on silicon Open
Rare-earth ion dopants in solid-state hosts are ideal candidates for quantum communication technologies such as quantum memory, due to the intrinsic spin-photon interface of the rare-earth ion combined with the integration methods availabl…
View article: Nanocavity-mediated Purcell enhancement of Er in TiO$_2$ thin films grown via atomic layer deposition
Nanocavity-mediated Purcell enhancement of Er in TiO$_2$ thin films grown via atomic layer deposition Open
The use of trivalent erbium (Er$^{3+}$), typically embedded as an atomic defect in the solid-state, has widespread adoption as a dopant in telecommunications devices and shows promise as a spin-based quantum memory for quantum communicatio…
View article: Quasi-deterministic Localization of Er Emitters in Thin Film TiO$_2$ through Submicron-scale Crystalline Phase Control
Quasi-deterministic Localization of Er Emitters in Thin Film TiO$_2$ through Submicron-scale Crystalline Phase Control Open
With their shielded 4f orbitals, rare-earth ions (REIs) offer optical and electron spin transitions with good coherence properties even when embedded in a host crystal matrix, highlighting their utility as promising quantum emitters and me…
View article: Magnon-mediated qubit coupling determined via dissipation measurements
Magnon-mediated qubit coupling determined via dissipation measurements Open
Controlled interaction between localized and delocalized solid-state spin systems offers a compelling platform for on-chip quantum information processing with quantum spintronics. Hybrid quantum systems (HQSs) of localized nitrogen-vacancy…
View article: A perspective on the pathway to a scalable quantum internet using rare-earth ions
A perspective on the pathway to a scalable quantum internet using rare-earth ions Open
The ultimate realization of a global quantum internet will require advances in scalable technologies capable of generating, storing, and manipulating quantum information. The essential devices that will perform these tasks in a quantum net…
View article: Concurrent multi-peak Bragg coherent x-ray diffraction imaging of 3D nanocrystal lattice displacement via global optimization
Concurrent multi-peak Bragg coherent x-ray diffraction imaging of 3D nanocrystal lattice displacement via global optimization Open
In this paper we demonstrated a method to reconstruct vector-valued lattice distortion fields within nanoscale crystals by optimization of a forward model of multi-reflection Bragg coherent diffraction imaging (MR-BCDI) data. The method fl…
View article: A perspective on the pathway to a scalable quantum internet using rare-earth ions
A perspective on the pathway to a scalable quantum internet using rare-earth ions Open
The ultimate realization of a global quantum internet will require advances in scalable technologies capable of generating, storing, and manipulating quantum information. The essential devices that will perform these tasks in a quantum net…
View article: Purcell Enhancement of Erbium Ions in TiO<sub>2</sub> on Silicon Nanocavities
Purcell Enhancement of Erbium Ions in TiO<sub>2</sub> on Silicon Nanocavities Open
Isolated solid-state atomic defects with telecom optical transitions are ideal quantum photon emitters and spin qubits for applications in long-distance quantum communication networks. Prototypical telecom defects, such as erbium, suffer f…
View article: Frequency-dependent Phonon-mediated Unidirectional Magnetoresistance in a Metal on an Insulator with Highly Nonequilibrium Magnons
Frequency-dependent Phonon-mediated Unidirectional Magnetoresistance in a Metal on an Insulator with Highly Nonequilibrium Magnons Open
Heavy metal (HM)/magnet bilayers host many magnetoresistances (MR) and spin caloritronic effects. Here we show that the spin Peltier effect and electron-phonon scattering produce much larger unidirectional MR of an HM on a magnetic insulat…
View article: A differentiable forward model for the concurrent, multi-peak Bragg coherent x-ray diffraction imaging problem
A differentiable forward model for the concurrent, multi-peak Bragg coherent x-ray diffraction imaging problem Open
We present a general analytic approach to spatially resolve the nano-scale lattice distortion field of strained and defected compact crystals with Bragg coherent x-ray diffraction imaging (BCDI). Our approach relies on fitting a differenti…
View article: Effects of hot phonons and thermal stress in micro-Raman spectra of molybdenum disulphide
Effects of hot phonons and thermal stress in micro-Raman spectra of molybdenum disulphide Open
Micro-Raman spectroscopy has become an important tool in probing thermophysical behavior in emerging functional materials such as two-dimensional (2D) layered structures. Localized heating by the focused Raman excitation laser beam is expe…
View article: Purcell enhancement of erbium ions in TiO$_{2}$ on silicon nanocavities
Purcell enhancement of erbium ions in TiO$_{2}$ on silicon nanocavities Open
Isolated solid-state atomic defects with telecom optical transitions are ideal quantum photon emitters and spin qubits for applications in long-distance quantum communication networks. Prototypical telecom defects such as erbium suffer fro…
View article: Generalized scaling of spin qubit coherence in over 12,000 host materials
Generalized scaling of spin qubit coherence in over 12,000 host materials Open
Significance Atomic defects in solid-state materials are promising candidates as quantum bits, or qubits. New materials are actively being investigated as hosts for new defect qubits; however, there are no unifying guidelines that can quan…
View article: Dataset: "Generalized scaling of spin qubit coherence in over 12,000 host materials"
Dataset: "Generalized scaling of spin qubit coherence in over 12,000 host materials" Open
Accompanying data for the main text and supplemental materials of Generalized scaling of spin qubit coherence in over 12,000 host materials
View article: Dataset: "Generalized scaling of spin qubit coherence in over 12,000 host materials"
Dataset: "Generalized scaling of spin qubit coherence in over 12,000 host materials" Open
<p>Accompanying data for the main text and supplemental materials of <strong><em>Generalized scaling of spin qubit coherence in over 12,000 host materials</em></strong></p>
View article: Development of a Scalable Quantum Memory Platform -- Materials Science of Erbium-Doped TiO$_2$ Thin Films on Silicon
Development of a Scalable Quantum Memory Platform -- Materials Science of Erbium-Doped TiO$_2$ Thin Films on Silicon Open
Rare-earth ions (REI) have emerged as an attractive candidate for solid-state qubits, particularly as a quantum memory. Their 4f-4f transitions are shielded by filled 5s and 5p orbitals, offering a degree of protection from external electr…
View article: Photoluminescence spectra of point defects in semiconductors: Validation of first-principles calculations
Photoluminescence spectra of point defects in semiconductors: Validation of first-principles calculations Open
Optically and magnetically active point defects in semiconductors are interesting platforms for the development of solid state quantum technologies. Their optical properties are usually probed by measuring photoluminescence spectra, which …
View article: Quantum engineering with hybrid magnonics systems and materials
Quantum engineering with hybrid magnonics systems and materials Open
Quantum technology has made tremendous strides over the past two decades with remarkable advances in materials engineering, circuit design and dynamic operation. In particular, the integration of different quantum modules has benefited fro…
View article: Quantum Engineering With Hybrid Magnonic Systems and Materials <i>(Invited Paper)</i>
Quantum Engineering With Hybrid Magnonic Systems and Materials <i>(Invited Paper)</i> Open
Quantum technology has made tremendous strides over the past two decades with remarkable advances in materials engineering, circuit design, and dynamic operation. In particular, the integration of different quantum modules has benefited fr…
View article: Thermal Expansion Coefficient and Lattice Anharmonicity of Cubic Boron Arsenide
Thermal Expansion Coefficient and Lattice Anharmonicity of Cubic Boron Arsenide Open
Recent measurements of an unusual high thermal conductivity of around 1000 W\nm-1 K-1 at room temperature in cubic boron arsenide (BAs) confirm predictions\nfrom theory and suggest potential applications of this semiconductor compound\nfor…
View article: Nonequilibrium heat and spin transport in materials with long carrier relaxation lengths
Nonequilibrium heat and spin transport in materials with long carrier relaxation lengths Open
Many modern technologies rely on the ability to shuttle energy and information from one point to another, which is accomplished through the fine control of the various microscopic energy, charge, and spin carriers that exist as quantized e…